Question

needn't（寒假里）,mustn't（公园里）造句

Answer 1

we needn't play too much during the winter holidays

we needn't work so much during the winter holidays

we needn't watch so much television during the winter holidays

We mustn't dump our rubbish around in the park

we mustn't catch animals in the paark

we mustn't destroy the plants in the park